Earthlink has been doing this for a loooong time. The reason being is that they dont want people using thier SMTP server for spamming. They prolly have it setup with mail relaying turned off, so ...

One of the little-known freebies Gmail offers is a portable SMTP server to send mail from any network for any email address.Travellers who use their I ...

How to Locate SMTP Server Settings. With many types of business email accounts, your computer connects to a machine called the Simple Mail Transfer Protocol server when you send messages. If you ...

An SMTP server registration process would certify that an e-mail server belongs to a specific organization or company.

Google's email platform doesn't have to be Web-based. You can configure Gmail to work in your office with Outlook or Outlook Express by using either POP or IMAP to send and receive messages with your ...

Is there a mechanism in place to authenticate an SMTP server as an authorized or legitimate sender of e-mail for a domain?